posv_comp_grp(3)

NAME
posv_comp_grp - Cholesky: computational routines (factor, cond, etc.)

SYNOPSIS

  Topics
— full —
pocon: condition number estimate
potrf: triangular factor
potrf2: triangular factor panel, recursive?
potf2: triangular factor panel, level 2
pstrf: triangular factor, with pivoting
pstf2: triangular factor, with pivoting panel, level 2
potrs: triangular solve using factor
potri: triangular inverse
porfs: iterative refinement
porfsx: iterative refinement, expert
poequ: equilibration
poequb: equilibration, power of 2
laqhe: row/col scale matrix
la_porcond: Skeel condition number estimate
la_porpvgrw: reciprocal pivot growth
la_porfsx_extended: step in porfsx
— packed —
ppcon: condition number estimate
pptrf: triangular factor
pptrs: triangular solve using factor
pptri: triangular inverse
pprfs: iterative refinement
ppequ: equilibration
laqhp: row/col scale matrix
— rectangular full packed (RFP) —
pftrf: triangular factor
pftrs: triangular solve using factor
pftri: triangular inverse
— banded —
pbcon: condition number estimate
pbtrf: triangular factor
pbtf2: triangular factor panel, level 2
pbtrs: triangular solve using factor
pbrfs: iterative refinement
pbequ: equilibration
laqhb: row/col scale matrix
— tridiagonal —
ptcon: condition number estimate
pttrf: triangular factor
pttrs: triangular solve using factor
ptts2: triangular solve using factor, unblocked
ptrfs: iterative refinement

Detailed Description

Author

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